﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp4
{
    //静态类型当中，只能有静态的成员（字段、属性、方法）
    public static class Bird //静态类
    {
        public static  int set = 20;

        public static int Age { get; set; }

        public static void play()
        {

        }
    }
}
